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Charging the transmitter battery
You have two charge possibilities:
Low voltage warning
GRAUBELE
S
0:00.0
#01
B a t t . m u s t
Flug
0:00.0
b e r e -
«normal »
3.5V
c h a r g e d ! !
HoTT
K78
0:22h
M
x
x
Battery use timer in the display
Lithium battery
24 / 36
1. Removing the battery from its case and charging it with a
charger
WARNING
!
The charger should always be supervised during charge and it
should be used only in rooms fitted with a smoke detector.
Removing transmitter battery
Remove the battery case cover. Then remove and disconnect
the battery plug by carefully pulling on the supply cable.
Charge the battery following the charger manual.
Inserting the transmitter battery
Connect the battery plug in the transmitter socket. Make sure
that the polarity is correct. Pay attention to the respective "+"
and "-" symbols near the socket.
Red= + Black/brown = -
Place the battery into its compartment and close the cover.
2. Through the USB port by charging with USB cable
The transmitter battery can be charged by the current supplied
by the USB port (5 V/max. 2 A).
Connect the transmitter to a USB port in your PC using the
included micro USB cable or a USB net charger.
The transmitter battery voltage should be monitored in the dis-
play during operation. In case the voltage drops under a preset
threshold, standard setting 3,6 V, an acoustic warning signal is
emitted and in the display appears in a window "battery needs
0.0V
charging".
Now at the latest, the operation must be stopped and the trans-
mitter battery must be charged!
The battery use timer is shown in the lower left part of the dis-
play.
The battery use time is added at every use. After every charge
the timer is reset to "00:00". This happens only if the battery volt-
age increases at least of 0,3V or if the battery is full.
On the transmitter board there is a replaceable lithium battery of
type CR 2032. This battery maintains the date and time settings
during a transmitter power supply outage.
S1033_jh_V1_de
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